1. Optical and Quantum Physics Laboratory, Department of Physics, Faculty of Science, Mahidol University 1 , Bangkok 10400, Thailand
2. Department of Computer Engineering, TUM School of Computation, Information and Technology, Technical University of Munich 2 , 80333 Munich, Germany
3. Abbe Center of Photonics, Institute of Applied Physics, Friedrich Schiller University Jena 3 , 07745 Jena, Germany